package com.itheima.demo;

public class A2 {
    public static void main(String[] args) {
        int[] arr = {19,28,37,46,50};
        int start = 0;
        int end = arr.length-1;
        for ( ; start<end; start++ ,end--) {
            int temp = arr[start];
            arr[start] =arr[end];
            arr[end] = temp;

        }
        for (int i = 0; i < arr.length; i++) {
            System.out.println(arr[i]);
        }
    }
}
